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This somehow ended up in my in-basket and I'm passing it along. It's a specification for USDM 2004 Imprezas. Note how the STi's front swaybar is slightly smaller than the WRX's while the rear swaybar is substantially beefier. You AutoX guys will undoubtedly recognize other important differences.

Yes! This is one of the points Subaru made in their So. Cal. intro event a couple months ago. It is essentially an "anti-lift kit" as standard equipment. As an aside, it causes the STi wheelbase to measure a centimeter or so longer.

Originally posted by no_rex_yet That's odd, the wrx sedan and wagon now both have a 17mm rear bar? Didn't the 02-03 sedans have 20mm bars?

Yes, according to the manual, the 02 WRX sedan has 20mm stabilizers front and back. It appears for 2004 that the WRX sedan's rear stabilizer has been changed to match the WRX wagon, which remains the same as before, 17mm.

check out the notes at the end. It says that front + rear toe are adjustable (good) but ONLY front camber is adjustable (not so good).... but the aftermarket should take care of that, via eccentric bolts or camber plates.

Originally posted by ae82gtm check out the notes at the end. It says that front + rear toe are adjustable (good) but ONLY front camber is adjustable (not so good).... but the aftermarket should take care of that, via eccentric bolts or camber plates.

if that was the only changed, then yes, but they supposedly also change the strut dampening, so we'll have to see how much body roll it has and how it affects understeer. The '03 Forester revised suspension you notice practically pulling out of the parking lot.. Heck even my wife noticed it.

I wonder how the rear camber values are going to affect wheel/tire choice for those purchasing aftermarket wheels. From what I've experienced, the WRX slightly rubs with +48mm offset wheels with 225 width Kumhos and rear camber at -1.4 (using camber bolts)...I've run less but the rubbing was worse with cornering.

All of this isn't a problem of course with the stock wheels and 225 width tires.

Hmm...just speculation I guess but it would seem to me that wheel and tire choice is going to be tough (unless the fender is changed on the STi...which I doubt).